Seeing into the Distant Past with Mobile Astronomy Apps

Did you know that if you gaze up at a clear evening sky, you're actually looking into the past? Even with the naked eye, you can see starlight that was emitted years — or even centuries — ago. And if you know where to look, you can see galaxies so far away that their light has been traveling since before humans walked the Earth. Add the magnifying power of a telescope, and you'll journey to the time when dinosaurs lived. In this edition of Mobile Astronomy, we'll travel the celestial